-69.42% is the change from 991 to 303
Calculation steps:
[( 303 - 991 ) ÷ 991] x 100 = -69.42%
Formula
Percentage change = [(303 - 991) / 991] x 100
Subtract the new number by the original number
303 - 991 = -688
-688 ÷ 991 = -0.6942482341069627
-0.6942482341069627 x 100 = -69.42%